Barack Obama told two of Florida's uncommitted superdelegates not to worry, that Florida will be represented in Denver, its delegates wearing their "party hats." And he's coming down later this month to raise money and campaign. But his campaign is still keeping Florida at arms-length when it comes to its as-of-now-unsanctioned superdelegates. Florida House Minority Leader Dan Gelber took the plunge on Wednesday, throwing his support behind Obama. The campaign was silent about the endorsement, though in recent days it has sent out word of picking up superdelegate support in New Jersey and Oregon. ...